Results 221 to 230 of about 659,973 (276)

Surface‐Coated Inorganic Nanomaterials for Drug Delivery: Chemical Design, Biomedical Applications, and Mechanistic Insights

open access: yesAdvanced NanoBiomed Research, EarlyView.
This review explores how surface‐coated inorganic nanomaterials are chemically engineered for advanced drug delivery. It highlights design principles, coating strategies, and biomedical applications, emphasizing how surface chemistry governs biocompatibility, targeting, and controlled release.
Hossein Daneshgar   +4 more
wiley   +1 more source

Selective, Oxygen‐Tunable, and Metal‐Free Functionalization of Polyethylene Through Dual‐Mode Nitrosation and Carbonylation

open access: yesAngewandte Chemie, EarlyView.
A metal‐free nitrosation process enables direct C–H functionalization of polyethylene (PE) with high selectivity, producing either oxime‐ or carbonyl‐functionalized polymers. Using t‐BuONO under visible light or thermal conditions, the process operates in both lab‐scale and industrial settings.
Lucile Cluzeau   +4 more
wiley   +2 more sources

Critical System Size for the Recovery of Topological Zero Modes in Finite Non‐Hermitian Systems

open access: yesAnnalen der Physik, EarlyView.
A generalized non‐Hermitian SSH model on a topolectrical circuit reveals size‐dependent topological zero modes. Non‐Hermiticity enables exact zero‐admittance edge states at a critical system size, tunable via asymmetric coupling and gain/loss. Large impedance peaks signal these modes, offering insights for designing robust topological devices with ...
S M Rafi‐Ul‐Islam   +3 more
wiley   +1 more source

Homoterpene Biosynthesis in Fungi

open access: yesAngewandte Chemie International Edition, EarlyView.
The first homoterpene biosynthetic pathway in the fungal kingdom is reported. A methyltransferase–terpene cyclase pair produces a unique heptamethyl bicyclo[3.3.1]nonane homoterpene via presodorifen, demonstrating that homoterpene biosynthesis via the addition of a C1 unit to terpene diphosphate precursors prior to scaffold formation extends beyond the
Lin Zhou   +5 more
wiley   +1 more source

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